
exports.insert = 'insert into research_topic set ?';

exports.limitAll = 'select * from research_topic order by date desc limit ?,?';

exports.total = 'select count(id) as total from research_topic';

exports.selectById = 'select * from research_topic where id = ?';

exports.delete = 'delete from research_topic where id in (?)';

exports.updateById = 'update research_topic set ? where id = ?';

